87364220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27823}}^1$

素因数の和:27989

約数の個数: 24

約数和(自身を含む): 184640064

約数和(自身を除く): 97275844

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 27823, 55646, 111292, 139115, 278230, 556460, 4368211, 8736422, 17472844, 21841055, 43682110, 87364220]

約数ペア:

[(1, 87364220), (2, 43682110), (4, 21841055), (5, 17472844), (10, 8736422), (20, 4368211), (157, 556460), (314, 278230), (628, 139115), (785, 111292), (1570, 55646), (3140, 27823)]